Mr. Sardonicus
- Viti: 1961
- Vendi: United States of America
- Zhanri: Horror, Mystery
- Studio: William Castle Productions, Columbia Pictures
- Fjalen: mask, leech, grave, castle, baron, flashback, torture, masked man, disfigured face, disfigurement, 19th century
- Drejtori: William Castle
- Cast: Ronald Lewis, Audrey Dalton, Guy Rolfe, Oskar Homolka, Vladimir Sokoloff, Erika Peters